<template>
    <div>
      <div class="item">
        <!-- 设置插槽 -->
         <slot name="main"></slot>
      </div>
    </div>
  </template>
  <script setup lang="ts">
  </script>
  <style lang="scss">
  .item {
    /* 高度410px */
    height: 5.125rem;
    border: 1px solid blue;
    /* 外边距20px */
    margin: 0.25rem;
    background-color: rgba(13, 130, 255, 0.851);
  }
  </style>